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Greenlee County to seek bids for 2025 chip-seal materials, limits initial contract to 3/8-inch fractured chips
Summary
Public Works asked the Board to authorize bids for 3/8-inch fractured chips and oil emulsions for the county's 2025 chip-seal program; board approved both actions by voice vote. Staff discussed but declined to include 5/8-inch chips in the initial bid.
David Manoush, Public Works road manager for Greenlee County, asked the Board of Supervisors to authorize two procurements for the county's 2025 chip-seal road program: fractured chip rock and oil emulsions.
Manoush told the board the chip-seal work will begin at the airport and include Carol Loop, Stevens Loop, Cosper Loop, Fairway and other county loops listed on a materials and tonnage spreadsheet he provided. He said the county would bid for 3/8-inch fractured chips and for oil emulsions for the 2025 project. "We're gonna be chip sealing from the airport," Manoush said, and described the list of roads and the tonnage and yardage figures he presented to the board.
Manoush and supervisors discussed whether to include 5/8-inch chips in the bid. Manoush explained technical differences: 5/8-inch ("5/8") chips require more oil, suit areas with high heavy-vehicle traffic and can increase roadway noise at higher speeds. He said a double chip-seal method typically places 5/8-inch rock on the bottom and 3/8-inch on top; on low-speed roads a single 5/8-inch layer can be used without a 3/8-inch cap. Manoush also said that for areas where 5/8-inch chips might be used the county's oil application would range from about 0.42 to about 0.48 (units as used in county specifications).
After discussion, the board voted by voice to authorize staff to advertise for bids for 3/8-inch fractured chips only; Manoush said the county can pursue 5/8-inch material "down the road" for specific sites. The board separately approved the request to advertise for bids for oil emulsions for the 2025 project; both items passed on a voice vote with the chair stating, "Ayes have it." The motions were recorded as approved; individual roll-call votes were not recorded in the transcript.
The board and staff noted the Fairway area as a likely candidate for future use of 5/8-inch chips because of increasing housing and traffic there. Manoush said the county's materials spreadsheet includes tonnage rates and yardage for both chips and oil but specific procurement quantities were not read into the record during the meeting.
Ending: The county will proceed to advertise the two procurements (3/8-inch fractured chips and oil emulsions) for the 2025 chip-seal project; staff will return with bids and contract recommendations for future board action.
